The minimum amount of energy released in an electron-positron annihilation is
A)0
B)0.511 MeV
C)1.022 MeV
D)2.044 MeV
E)None of these is correct.

Question

Quizplus · Accepted Answer

In an electron-positron annihilation, the minimum amount of energy released is equivalent to the rest mass energy of both particles. Since each has a rest mass energy of 0.511 MeV, the total minimum energy released is 1.022 MeV.

The Minimum Amount of Energy Released in an Electron-Positron Annihilation